body{color:#1f2933;background:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.page{max-width:1200px;margin:auto;padding:40px}.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:18px;box-shadow:0 2px 8px #0000000a}.panel-blue{background:#e8f4ff}.panel-green{background:#e9fbf0}.panel-yellow{background:#fff7d6}button{color:#fff;cursor:pointer;background:#2b7cff;border:none;border-radius:8px;padding:10px 16px;font-weight:600}button:hover{opacity:.9}input,select{border:1px solid #d1d5db;border-radius:8px;padding:10px}